Answer: C) 13.5
Explanation:
Given that the frequency of an allele in a manatee population is 0.15 and said population is at Hard-Weinberg (a well-known equation usually used to calculating processes regarding allele and genotype frequencies), the correct number of 600 individuals that should be homozygous for the allele is <u>13.5 individuals.</u>
Answer: There is compelling evidence that mitochondria and chloroplasts were once primitive bacterial cells.
Explanation: This evidence is described in the endosymbiotic theory.
The statement which is false about the intergumentary system is option D. "Keratin is the pigment responsible for skin color."
Even though the skin color of human beings is affected y different substances, the pigment melanin is responsible for it. Melanin is produced within the skin in cells known as melanocytes and it determines of the skin color of darker-skinned humans.
For instance, the skin color of those who have light skin is determined primary by the bluish-white connective tissue placed beneath the dermis and by the hemoglobin which circulates in the veins of the dermis.
Answer:
A
Explanation:
Reptiles arose about 310–320 million years ago during the Carboniferous period.